[BUG] BitBlt using combination rule Form erase1bitShape

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[BUG] BitBlt using combination rule Form erase1bitShape

Karl Ramberg
Hi,
Bug in BitBlt in 32 bit screen depth. It works when screen is set to 16 bit.

Combination rule Form erase1bitShape returns a form with all bits set to 0 in 32 bit screen depth.

...creating sketches from lasso or rubberband no longer
works. Only rectangle snip works :-(.

E.g.
    World-Menu -> new morph -> grab rectangle from screen
       draw rectangle in the balloon - drag a sketch.
    World-Menu -> new morph -> grab lasso from screen
       draw lasso in the balloon - no sketch
    ditto for grab rubber band from screen.

Best,
Karl